s(k)-s(j), where (k,j) is the least pair for which n divides s(k)-s(j), and s(j)=Fibonacci(2j-1).

Terms

a(0) =1a(1) =4a(2) =3a(3) =4a(4) =55a(5) =12a(6) =21a(7) =8a(8) =144a(9) =220a(10) =11a(11) =12a(12) =377a(13) =84a(14) =6765a(15) =32a(16) =2584a(17) =144a(18) =76a(19) =220a(20) =21a(21) =88a(22) =46368a(23) =144a(24) =12586269025a(25) =1508a(26) =14930352a(27) =84a(28) =29a(29) =27060